added optional support for Psyco

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@547 bbaffbd6-741e-11dd-a85d-61de82d9cad9

Changelog

@@ -8,6 +8,7 @@ Version 0.3.0 - UNRELEASED
  * added ability to create support grids with different x/y grid distance
  * added x/y offsets to support grid options
  * added 3D view movement and rotation with a keyboard in addition to the mouse
+ * added optional support for the Psyco just-in-time compiler
  * switched default tool size from radius to diameter
  * fixed performance issue when using a support grid
  * fixed empty toolpath after transforming the model

pycam

@@ -155,6 +155,9 @@ if __name__ == "__main__":
             help="specify if the mill tool (including its radius) should " \
                     + "move completely 'inside', 'along' or 'outside' the " \
                     + "defined processing boundary.")
+    group_general.add_option("", "--disable-psyco", dest="disable_psyco",
+            default=False, action="store_true", help="disable the Psyco " \
+                    + "just-in-time-compiler even when it is available")
     group_export.add_option("", "--export-gcode", dest="export_gcode",
             default=None, action="store", type="string",
             help="export the generated toolpaths to a file")
@@ -249,6 +252,17 @@ if __name__ == "__main__":
     else:
         inputfile = None
 
+    if not opts.disable_psyco:
+        try:
+            import psyco
+            psyco.full()
+            log.info("Psyco enabled")
+        except ImportError:
+            log.info("Psyco is not available (performance will probably " \
+                    + "suffer slightly)")
+    else:
+        log.info("Psyco was disabled via the commandline")
+
     if not opts.export_gcode and not opts.export_task_config:
         show_gui(inputfile, opts.config_file)
     else: